​​What’s new in Microsoft Security: June 2026

Microsoft's June 2026 security updates highlight the growing need to actively manage vulnerabilities across AI and multicloud environments, areas that many organizations have historically under-secured. The introduction of AI-driven vulnerability discovery ('Codename MDASH') reflects a broader industry shift toward automated, continuous remediation rather than periodic manual assessments. The expansion of Defender to cover local AI agents and cloud databases like AWS RDS underscores how attack surfaces are rapidly growing beyond traditional perimeters. Perhaps most critically, the launch of Microsoft Entra Backup and Recovery signals that identity data — often overlooked in business continuity planning — is now recognized as a high-value, high-risk asset requiring its own resilience strategy. Organizations that fail to adopt these controls risk leaving AI workloads, cloud databases, and identity systems exposed to exploitation with limited ability to recover.